Change search
ReferencesLink to record
Permanent link

Direct link
Compound auroral micromorphology: ground-based high-speed imaging
Show others and affiliations
2015 (English)In: EARTH PLANETS AND SPACE, ISSN 1880-5981, Vol. 67, 23Article in journal (Refereed) Published
Abstract [en]

Auroral microphysics still remains partly unexplored. Cutting-edge ground-based optical observations using scientific complementary metal-oxide semiconductor (sCMOS) cameras recently enabled us to observe the fine-scale morphology of bright aurora at magnetic zenith for a variety of rapidly varying features for long uninterrupted periods. We report two interesting examples of combinations of fine-scale rapidly varying auroral features as observed by the sCMOS cameras installed at Poker Flat Research Range (PFRR), Alaska, in February 2014. The first example shows that flickering rays and pulsating modulation simultaneously appeared at the middle of a surge in the pre-midnight sector. The second example shows localized flickering aurora associated with growing eddies at the poleward edge of an arc in the midnight sector.

Place, publisher, year, edition, pages
2015. Vol. 67, 23
Keyword [en]
Aurora, Magnetosphere-ionosphere coupling, Wave-particle interaction
National Category
URN: urn:nbn:se:kth:diva-162955DOI: 10.1186/s40623-015-0190-6ISI: 000350331100001ScopusID: 2-s2.0-84923358601OAI: diva2:800061

QC 20150401

Available from: 2015-04-01 Created: 2015-03-26 Last updated: 2015-04-01Bibliographically approved

Open Access in DiVA

No full text

Other links

Publisher's full textScopus

Search in DiVA

By author/editor
Dahlgren, HannaIvchenko, Nickolay
By organisation
School of Electrical Engineering (EES)

Search outside of DiVA

GoogleGoogle Scholar
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

Altmetric score

Total: 21 hits
ReferencesLink to record
Permanent link

Direct link